net: punt bd->bi_ip_addr

This field gets read in one place (by "bdinfo"), and we can replace
that with getenv("ipaddr").  After all, the bi_ip_addr field is kept
up-to-date implicitly with the value of the ipaddr env var.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>

arch/blackfin/include/asm/u-boot.h

@@ -30,7 +30,6 @@
 
 typedef struct bd_info {
 	int bi_baudrate;		/* serial console baudrate */
-	unsigned long bi_ip_addr;	/* IP Address */
 	unsigned long bi_boot_params;	/* where this board expects params */
 	unsigned long bi_memstart;	/* start of DRAM memory */
 	phys_size_t bi_memsize;		/* size  of DRAM memory in bytes */